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  • Archive for the ‘editorial’ Category

    Friends don’t let friends plant impatiens

    Tuesday, May 7th, 2013

    I have bad news and good news. The bad news is there’s a fungus among us. Impatiens downy mildew (Plasmopara obducens), the mysterious ailment that denuded and killed almost every busy Lizzie (Impatiens walleriana) back in July or August of last year, is here to stay. It’s in our soil now and unlike other downy mildews that attack other species of plants, this one is happy to overwinter here in the soil. Add to that, our native woodland wildflower and poison ivy remedy, jewelweed (Impatiens capensis), obligingly harbors it without dying or even becoming particularly disfigured by it.

    This coming summer impatiens downy mildew will spread by spores that germinate in humid conditions, just as it did last year. Four hours of standing water (a sprinkler system or a good soaking rain) is all it needs to move from soil to plant where it then becomes airborne. And there is no fungicide that will control it once lesions form on the leaves. Despite that, some growers are determined to keep selling the species that has been their bread and butter ever since petunias fell from favor. But their impatiens will have to be pumped full of expensive systemic fungicide in order to ensure a mere six weeks of immunity in your garden. It’s a heavy price to pay for what has been one of the least expensive and longest blooming bedding plants. Expect that cost to be passed along. Other growers are boldly refusing to propagate an ill-fated best seller and will be offering healthy and more sustainable alternatives instead. And meanwhile, breeders are working to create downy-mildew-resistant impatiens. But don’t hold your breath. They’re still years away.

    The good news is it’s time for a change. Monocultures of impatiens have been planted in industrial parks, corporate and private landscapes, urban and suburban yards for quite long enough. In fact, being planted so exclusively and densely sped their demise, first in the UK back in 2003, then in greenhouses, Florida, up the Eastern Seaboard, and all the way across the more humid portions of the country in the last couple of years. And I, for one, am looking forward to seeing a little more variety in yards, gardens, and landscapes in the years to come. But then, I have never been impatiens’ biggest fan.

    I understand that a flat of Impatiens walleriana was wicked cheap to buy. But didn’t those starts need water and fertilizer all summer long? I understand that, if given those things, impatiens bloomed non-stop, and in the shade no less. But did you ever see a bee work the blossoms? And didn’t you get a little bored with them by August? I have never planted them in my own garden and we don’t use them at Blithewold because—and this, really, is the good news—there are so many other gorgeous plants in the world. Some are just as, if not more, colorful; a few might bring out the gardener in non-gardeners; others will be much easier to care for. That’s the truth.

    My advice to hardcore impatiens devotees: If you can’t live without them, try them in hanging baskets. And for your garden beds, rather than choosing one alternative stand-in from a long list of shade-loving bedding annuals that includes (and is by no means limited to) New Guinea impatiens (those noisy cousins are immune), begonias, torenia, lobelia, coleus, browallia, oxalis, and nicotiana, plant a kaleidoscope. Variety isn’t just the spice of life, it’s more sustainable. Celebrate all the months of summer — and treat yourself to late season surprises too — by planting tender perennials like spurflower (Plectranthus ciliatus) and fuchsias that bloom into fall and can even be overwintered indoors. And then why not add in a few perennials with fabulous foliage like heuchera, hosta, lady’s mantle, brunnera, pulmonaria, and lamium? Nowadays they don’t cost much more than annuals and, more often than not, live to brighten your beds and borders for years. Please don’t just take my word for it. Ask at your favorite local nursery for suggestions. (No doubt, they will be more sympathetic than I.) And take the good news over the bad.

    Apologies to any of you who might have already read this. — It was first published last week by East Bay, RI and South Coast, MA newspapers for my column, Down to Earth.

    A good read

    Tuesday, January 29th, 2013

    More changes are afoot in the potting shed than just a remodel and reorganization. We are entering the modern age finally and ordering seeds on line rather than sending them off by mail. But even though we’ve decided to embrace technology for the sake of faster gratification than waiting for checks to be issued and the mail sent both ways, I still think reading a paper catalog is easier and more fun than staring at web pages. –That said, I can understand why some plant and seed companies have gone entirely on line and I applaud them for not wasting trees, ink, and postage on me when clearly the world is moving away from those things. So for however long it takes for the rest of us to prefer the feeling of an e-reader in our paws rather than a bound book, paper catalogs will have a welcome place on my lap.

    Last year I placed our first order (in my time) with Chiltern Seeds in England. I searched on line for what we wanted — certain grasses and sweet peas that weren’t available through our usual sources — and was only mildly annoyed when some of their plants were listed without pictures. After all, a google images search is only a tab away. But this year they sent us a paper catalog. At first I was overwhelmed by it because the skinny onion-skin pages hold 4000+ plant descriptions, all but 9 without pictures! But after flicking through quickly, I started reading from the beginning and found the reward: tucked here and there amongst perfectly illustrative descriptions is humor, personality, and interesting information.

    I learned that Dispsacus fullonum, which I have been calling Fuller’s teasel (because that’s what its species name implies) is in fact “common teasel”. The teasel actually used by fullers to card wool is Dipsacus sativus, whose dried flower heads “are a miracle of nature” with ” hundreds of tiny, stiff, downward-turned hooks amazingly and geometrically arranged.”  The description of Eryngium planum ‘Blue Glitter’ made me nod and snort because “the writer likes this one!” and after calling the flower heads “innumerable,” he actually counted 85 on the stem on his desk. I never noticed before that Silphium lacinatum orients its leaves to the poles. (I also didn’t know it’s called compass plant, pilot weed, and polar plant.) So cool. And I loved that towards the end the writer looked like he was getting a little punchy. The description for Viola ‘Cats’ begins,

    “It is no secret that the writer likes his cats: as he pens these words, there’s a white porcelain cat glowering down at him from the mantlepiece warning him against making purrfectly awful puns about purrfect faces or even suggesting having a purr of these lovely Pansies in pots outside your front door. So he won’t!”

    Like turning the last page of a good book, I was a little sad to finish that catalog. But we placed a big order and have a whole season of our own opinions about those plants – mostly sweet peas and primroses – to look forward to.

    Do you still read plant and seed catalogs cover to cover? Do you have a favorite?

    Top 10 plants for 2012

    Wednesday, January 2nd, 2013

    Before Gail and I begin in earnest to plan and order for next year’s gardens I had to spend a little time looking back through the year’s pictures. I always need to jog my memory about what worked and what didn’t and remind myself what plants I fell – or stayed – in love with. The following 10 are a sort of random assortment in order of when I noticed them and had to shoot their portrait. Nearly all of these also held their own through the season, in bloom and out of it.

    1. Paeonia x ‘Julia Rose’ was one of our new Itoh or intersectional peonies – crosses between herbaceous and tree peonies. They were all pretty great – with huge dessert-plate flowers and clean, gorgeous, fanned foliage for the duration.

    2. Baptisia x variicolor Twilite Prairieblues(tm). This picture doesn’t do it justice. The color is slightly weirder – browner – which I love. The trademark blue pea foliage is as handsome as any false indigo out of bloom and I’m excited to see this 2 year old clump just get bigger and better.

    3. Where has Campanula punctata ‘Pink Chimes’ been all my life? It’s an oldie but goodie that returned to Blithewold this year after an absence and I hope we never let go of it again. But disappearance actually seems unlikely since it spreads so beautifully we have already distributed some of its wealth from the Display Garden to the North Garden.

    4. Oxalis vulcanicola ‘Duotone’. Be still my heart. True-black splotches on variegated purple hearts make this a Gothic stunner despite the sunny yellow and unbelievably persistent flowers. That clump is huge now and still blooming away in the greenhouse as happily as it would as a houseplant. Must has.

    5. I’m a sucker for any flowering tobacco but I think I loved Nicotiana ‘Baby Bella’ the best this year. We grew it from seed; I took that picture at the end of June; and it kept on putting up luminous red trumpets until (a really hard) frost. It’s a short one – only about 2-3′ tall so it can be tucked in front and center.

    6. I think Monarda fistulosa ‘Claire Grace’ was on my list last year too but I’m thrilled to report that the clumps increased generously and are just as pretty as ever in bloom, and as seedheads still standing now. Maybe next year we’ll try deadheading them for a prolonged bloom…

    7. My love for anise hyssop – in any form – is no secret. But I think ‘Black Adder’ is my all-time favorite because of its endless deep purple-blue spires and butterfly magnetism.

    8. Salvia ‘Wendy’s Wish’ was a new one for us this year and one that I expect will be a total keeper. And not just because it keeps throwing up perfect new growth for cuttings here in the greenhouse. More because those fabulous raspberry tubes opened early – in late summer rather than holding off for fall.

    Lastly are two plants that I noticed when they bloomed (in early summer) but that waited until fall to knock my socks off.

    9. We moved a two or three year old Indigofera kirilowii from the Rose Garden to a more prominent spot in the Display Garden so I got a better look and appreciation for its pinky-purple flowers and upright form. But I really can’t get over its fall blaze. How could I have missed that? Wowsers.

    10. My love for sweetspire (Itea virginica ‘Little Henry’) has been coming on slowly for awhile – for about as long as it has taken to increase from a couple of spriggy twigs to a thicket (we bought it tiny about 8 years ago). But now I love it madly – as much (or more) for its translucent fall color as for its sweet summer dangles.

    Are any of these on your top 10? What else?

    Happy New Era

    Friday, December 21st, 2012

    I never much liked the idea that the world might end today. It’s so much better that it’s simply the start of a whole new cycle. Just like every other day that rolls into another in a constant unending loop. But I’m all for acknowledging the passage of time every so often. In a way it makes sense here at Blithewold to mark the new year on January first like everyone else. Even though the grounds remain open, our season officially wraps up when the mansion closes for the winter. But as a gardener, I’m inclined to celebrate the new year on the Winter Solstice instead. The day the sun sets to climb a little higher the next. We might have a few long, quiet, cold months ahead before the sun breaks out over the bamboo and before we see much evidence of renewal but, like every other day of the year, there are signs pointing to the next.

    Granted, right now it’s hard to tell if some of the signs I’m seeing are renewal or last gasps. Some are simply promises, like the cottony seeds of Anemone tomentosa ‘Robustissima’. I suspect that the Daphne transatlantica ‘Summer Ice’ just doesn’t know when to quit but doesn’t it masquerade beautifully as a sign of spring? And the Helleborus foetidus blooming out of sequence seems to be celebrating its new year a couple months early. Why not?

    Are you celebrating the new year, a new cycle, and a new era today too?

    Solace

    Tuesday, December 18th, 2012

    It seems impossible to speak or think about anything else right now. The news is too full of horrific loss and our hearts are too broken. I won’t claim to have a clue about how to fix anything – as if there is a fix – but I know I’m not alone in believing in the healing power of nature. In cathartic walks in the rain. In the deep inhale of a favorite fragrance. In a handful of potting soil. In the obvious preciousness of all life.

    Are you finding solace? Where?